inthe main cylinder having made its stroke, upright oscillating arm which actuates the valve rod at- and not to be carried about in the pocket, as many inventions causes the button on the piston rod to tilt the rock bar. This, tached to the auxiliary valve, A, Figs. 2 and 3. of this kind are. The… … motion of the pump been previously screwed THE SELDEN STEAM PUMP. (such as is needed in down to the floor, the boiler feeding) to stop in the center. of the auxiliary cylinder, and, admitting steam thereto, causes wedge piece is, when it is desired to fasten the door, slipped the duplex piston to…
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